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Date:      Tue, 5 Sep 2000 11:14:19 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Mike Tancsa <mike@sentex.net>
Cc:        stable@FreeBSD.ORG
Subject:   Re: Vinum (was: RAID)
Message-ID:  <20000905111419.H49732@wantadilla.lemis.com>
In-Reply-To: <4.2.2.20000904205235.0337b050@mail.sentex.net>; from mike@sentex.net on Mon, Sep 04, 2000 at 08:55:10PM -0400
References:  <4.2.2.20000904204407.033e2920@mail.sentex.net> <4.2.2.20000904120154.07455bd0@mail.sentex.net> <4.2.2.20000903213318.074039f0@mail.sentex.net> <4.2.2.20000903213318.074039f0@mail.sentex.net> <00090310375700.05988@www.runapplications.com> <4.2.2.20000904120154.07455bd0@mail.sentex.net> <20000905101653.A49732@wantadilla.lemis.com> <4.2.2.20000904204407.033e2920@mail.sentex.net> <20000905102514.D49732@wantadilla.lemis.com> <4.2.2.20000904205235.0337b050@mail.sentex.net>

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On Monday,  4 September 2000 at 20:55:10 -0400, Mike Tancsa wrote:
> At 10:25 AM 9/5/2000 +0930, Greg Lehey wrote:
>>> BTW, is vinum in theory and practice as stable on ata drives as on
>>> SCSI ?
>>
>> Yes.  Make sure you don't have more than one drive per controller, or
>> performance will suffer.
>
> I ordered 2 surplus ATA66 controllers for $35CDN on Friday.  To start with
> 3 drives in RAID 5 I guess... Hmmm, actually if one drive in theory is
> slower (ata 33) will that cause me problems ?

Well, it will limit performance, but that's all.  You'll still get
marginally better performance from an ATA 33 and an ATA 66 than you
would from two ATA 33s.

Greg
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